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  • Title: Racial/Ethnic differences in Medicare experiences and immunization: the role of disease burden.
    Author: Orr N, Elliott MN, Burkhart Q, Haviland A, Weinick RM.
    Journal: Med Care; 2013 Sep; 51(9):823-31. PubMed ID: 23807592.
    Abstract:
    BACKGROUND: Although Medicare provides beneficiaries with primary access to the health care system, racial/ethnic disparities in health care experiences and preventive care are well documented in the Medicare population. OBJECTIVE: To investigate disease burden and its possible impact on racial/ethnic health disparities for measures of secondary and tertiary access to health care, such as access to health plan information, obtaining recommended care in a timely manner, and immunization. SUBJECTS: A total of 355,874 beneficiaries over the age of 64 years who responded to the 2008 Medicare Consumer Assessment of Healthcare Providers and Systems (CAHPS) survey. METHODS: We fit a series of linear, case-mix adjusted models predicting Medicare CAHPS measures of patient experience and immunization from race/ethnicity, a 0 to 6 count of disease burden, and their interaction. RESULTS: Disparities between non-Hispanic whites and other racial/ethnic groups are largest among beneficiaries with no major health conditions. Disparities between whites and other racial/ethnic groups on getting care quickly and immunization are mitigated at higher levels of disease burden. Disparities persist at higher levels of disease burden for getting information from one's health plan. DISCUSSION: Whites have better overall access to care than other beneficiaries with Medicare in the absence of major health conditions. Disparities in getting care quickly and immunizations are smaller among beneficiaries with greater disease burden, perhaps as a function of integration into the health care system gained through management of health issues. These results underscore the importance of outreach to minorities with low utilization and few or no major health conditions.
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